Write True or False
1. If a ray of light passes through the centre of curvature C, after reflection, it retraces its path.
2. If the focal length of a spherical mirror is 5 cm, then its radius of curvature is 2.5 cm.
3. The line passing through the two end points of a spherical mirror is called its principal axis.
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Answer:
1. true
2. False
3. True
Explanation:
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